<template>
  <div class="base-progress">
    <!-- 外层盒子底层黑色 -->
    <div class="progress">
      <!-- 内层盒子 - 进度(蓝色) -->
      <div class="inner" :style="{width:percent+'%'}">
        <span>{{percent}}%</span>
      </div>
    </div>
  </div>
</template>

<script>
export default {
  /*   //类型验证的基础写法
    props: {
      percent: Number
    }, */
  //类型验证的完整写法
  props: {
    percent: {
      //类型验证
      type: Number,
      //非空校验
      required: true,
      //默认值
      default: 0,
      //自定义校验
      validator(value) {
        if (value >= 0 && value <= 100) {
          return true;
        } else {
          console.error('传入的prop percent的值不合法');
        }
      }

    }
  }
}
</script>

<style scoped>
.progress {
  height: 25px;
  width: 400px;
  border-radius: 15px;
  background-color: #272425;
  border: 3px solid #272425;
  box-sizing: border-box;
  margin-bottom: 30px;
}

.inner {
  height: 20px;
  border-radius: 10px;
  text-align: right;
  position: relative;
  background-color: #409eff;
  background-size: 20px 20px;
  box-sizing: border-box;
  transition: all 1s;
}

.inner span {
  position: absolute;
  right: -20px;
  bottom: -25px;
}
</style>